Finding the Fourth Proportional to 579,199.74, 868,838.49 and 158,479.26
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Solution
The fourth proportional to 579,199.74, 868,838.49 and 158,479.26 is: 237,729.53
Step by Step Solution
- Step 1: Write the proportion equation
579,199.74 : 868,838.49 = 158,479.26 : x - Step 2: Convert to fraction form
579,199.74/868,838.49 = 158,479.26/x - Step 3: Cross multiply
579,199.74x = 868,838.49 × 158,479.26 - Step 4: Simplify right side
579,199.74x = 137,692,880,954.72 - Step 5: Solve for x
x = 137,692,880,954.72/579,199.74 - Step 6: Final answer
x = 237,729.53
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.